Finding the Fourth Proportional to 552,866.05, 763,190.56 and 371,683.06
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Solution
The fourth proportional to 552,866.05, 763,190.56 and 371,683.06 is: 513,080.89
Step by Step Solution
- Step 1: Write the proportion equation
552,866.05 : 763,190.56 = 371,683.06 : x - Step 2: Convert to fraction form
552,866.05/763,190.56 = 371,683.06/x - Step 3: Cross multiply
552,866.05x = 763,190.56 × 371,683.06 - Step 4: Simplify right side
552,866.05x = 283,665,002,703.91 - Step 5: Solve for x
x = 283,665,002,703.91/552,866.05 - Step 6: Final answer
x = 513,080.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.